QUICKARE FUEL TREATMENT 32oz.This is a genuine Mercury Marine factory OEM part, not aftermarket.Helps keep fuel fresh between fill-ups for up to 3 months.Cleans existing varnish and gum deposits in fuel lines, tanks, carburetors, injectors, intake valves and spark plugs.Helps control corrosion, gumming and varnish build-up, and phase separation associated with ethanol-blended gasoline.Can be used at every fuel tank fill-up - just 1 ounce treats 10 gallons of gasoline.32 fluid ounces.Mercury oils, lubricants and engine care products are backed by decades of experience in engineering, testing and manufacturing to provide the best protection and performance.